Reactions of 2-phenyl-4,4-bis(trifluoromethyl)-4,5-dihydro-1,3,2-benzodioxaphosphepin-5-one with phenanthrenequinone and dibenzoyl |
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| Authors: | V F Mironov L M Burnaeva Yu Yu Borisova A T Gubaidullin I A Litvinov G A Ivkova I V Konovalova |
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| Institution: | 1.Arbuzov Institute of Organic and Physical Chemistry, Kazan Research Center,Russian Academy of Sciences,Kazan,Tatarstan, Russia;2.Privolzhsk (Kazan) Federal University,Kazan, Tatarstan,Russia |
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| Abstract: | Reactions of 2-phenyl-4,4-bis(trifluoromethyl)-4,5-dihydro-1,3,2-benzodioxaphosphepin-5-one with 9,10-phenanthrenequinone
and dibenzoyl gave hydrolytically unstable spirophosphoranes with five- and seven-membered rings, 2-phenyl-4,4-bis(trifluoromethyl)-4,5-dihydrospiro1,3,2]benzodioxaphosphepine-2,2′-phenanthro9,10-d]1,3,2]dioxaphosphol]-5-one and 2,4′,5′-triphenyl-4,4-bis(trifluoromethyl)-4,5-dihydrospiro1,3,2]benzodioxaphosphepine-2,2′-1,3,2]dioxaphosphol]-5-one.
The structure of the first of these was proved by X-ray analysis. |
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